package com.gzhryc.jdbc.annotaion;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 复合主键设置
 * @author zhanghao
 *
 */
@Target(value=ElementType.FIELD)
@Retention(value=RetentionPolicy.RUNTIME)
public @interface PrimaryKey {
	
}
